solar panels after 30 years 83%

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solar panels after 30 years 83%

Postby australsolarier » Sun Dec 02, 2018 7:43 am

i just found this on youtube:

(turn on auto translate, it is in german)
this guy built his solar system in 1986, 18 "half panels". it was going for 30 years until he updated the whole thing. the installers dismantled the 30 year old panels and installed them on their roof and figured they still bring 83/84%.
the 80+ year old swiss man now upated the system with battery in the cellar.
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